Armoracia rusticana is a PERENNIAL growing to 0.7 m (2ft 4in) by 0.8 m (2ft 7in) at a fast rate. ... Medicinal Rating ... The plant is a powerful stimulant, whether used internally as a spur for the digestive system or externally as a rubefacient[

Planting & CareThe tap root will develop over two summers in deep soil.
Try to plant in a location that enjoys partial sun / full sun and remember to apply water fairly sparingly. Horseradish is generally regarded as a hardy plant, so this plant will survive close to or on freezing temperatures.

Sunlight: Full sun

Soil: well-drained soil

Water: Medium

Temprature: 32 degree F

Fertilizer: Apply any organic fertilizer

Care:

Best left undisturbed until harvest time in winter as broken roots will freely germinate.

Roots can be taken at any time though.

Special Feature:Can be planted near potatoes to make the tubers more disease resistant.
Can be used as a spray to treat apple trees against brown rot.
The leaves can be chopped into dog food to dispel worms and improve body tone.UseMedicinal use:

High Vitamin C content.

Has anti-bacterial, diuretic and stimulant properties.

Horseradish and honey when gargled are said to be good for sore throats.

Can be used as a tonic for the liver and spleen.

Can help digestion and wind!
Can ease arthritis, gout, urinary tract infections and sciatica.

Culinary use:

Leaves can be eaten in salads.

Making horseradish sauce.

Can be grated into dips, coleslaw, cream cheese and mayonnaise.

Ornamental use:

Grow in a quiet, sunny corner of the vegetable garden where its spreading habit will not crowd out other plants.